13401340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 29165472

約数和(自身を除く): 15764132

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 137, 146, 268, 274, 292, 335, 365, 548, 670, 685, 730, 1340, 1370, 1460, 2740, 4891, 9179, 9782, 10001, 18358, 19564, 20002, 24455, 36716, 40004, 45895, 48910, 50005, 91790, 97820, 100010, 183580, 200020, 670067, 1340134, 2680268, 3350335, 6700670, 13401340]

約数ペア:

[(1, 13401340), (2, 6700670), (4, 3350335), (5, 2680268), (10, 1340134), (20, 670067), (67, 200020), (73, 183580), (134, 100010), (137, 97820), (146, 91790), (268, 50005), (274, 48910), (292, 45895), (335, 40004), (365, 36716), (548, 24455), (670, 20002), (685, 19564), (730, 18358), (1340, 10001), (1370, 9782), (1460, 9179), (2740, 4891)]